Pillow



FIG. 1 is a perspective view of the pillow in use, the broken lines shown in FIG. 1 are included for the purpose of illustrating environmental structure and form no part of the claimed design;

FIG. 2 is a perspective view of the pillow of FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left-side elevational view, the right-side elevational view being a mirror image. 

CLAIM The ornamental design for a pillow, as shown and described. 